average b12 injection dose VITAMIN Oral vs. Intramuscular Vitamin B12

Vitamin B12 was negatively correlated only with body mass index

Experiments showed that oral administration of the preparation significantly increased grip strength, muscle mass, and muscle fiber diameter in aged mice, effectively alleviating aging-related muscle atrophy, and providing a new direction for anti-aging research on sarcopenia

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The intranasal forms of methylcobalamin, vitamin B12, should be administered at least 1 hour before or 1 hour after ingestion of hot food or liquids